PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-05:43:10
G01     43.1           19.0                3.6 +/-    3.06       8.1 +/-    3.06  0.070 / 0.060
G06     175.2          32.4                7.6 +/-    1.03      12.7 +/-    1.03  0.050 / 0.070
G11     44.1           12.9                2.4 +/-    2.43       6.3 +/-    2.43  0.080 / 0.340
G13     241.5          26.9                7.0 +/-    2.28      13.2 +/-    2.28  0.110 / 0.280
G15     273.7          14.5                3.8 +/-    1.88       9.5 +/-    1.88  0.040 / 0.060
G17     348.7          75.1                6.9 +/-    0.52       7.1 +/-    0.52  0.040 / 0.050
G19     262.5          67.8                6.9 +/-    0.94       7.4 +/-    0.94  0.030 / 0.020
G24     318.3          12.7                1.4 +/-    3.29       3.7 +/-    3.29  0.030 / 0.030
G28     51.7           55.7                5.0 +/-    1.12       6.0 +/-    1.12  0.040 / 0.040
G30     154.0          37.8                8.4 +/-    0.79      12.6 +/-    0.79  0.040 / 0.030